{"product_id":"square-d-ka36175-molded-case-circuit-breaker-175a-3-pole-600v-i-line-plug-in","title":"Square D KA36175 Molded Case Circuit Breaker | 175A 3-Pole 600V I-Line Plug-In","description":"\u003ch2\u003eSquare D KA36175 – 175 Amp 3-Pole Thermal Magnetic Molded Case Circuit Breaker\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSquare D KA36175\u003c\/strong\u003e is a heavy-duty, 3-pole thermal magnetic molded case circuit breaker engineered for reliable overcurrent protection in demanding industrial and commercial power distribution systems. Part of Square D's trusted I-Line series, this breaker delivers precision trip performance and seamless plug-in installation into I-Line style panelboards and switchboards.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e KA36175\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D (Schneider Electric)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e I-Line \/ K-Frame\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmpere Rating:\u003c\/strong\u003e 175A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePhase:\u003c\/strong\u003e 3-Phase\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterrupting Rating:\u003c\/strong\u003e 25kAIC @ 480V | 22kAIC @ 600V | 42kAIC @ 240V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrip Unit Type:\u003c\/strong\u003e Thermal Magnetic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrip Functions:\u003c\/strong\u003e LI – Long-Time and Instantaneous\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e I-Line Style Plug-In\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmbient Temperature Rating:\u003c\/strong\u003e 40°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e K-Frame\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 50\/60 Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat Is the Square D KA36175?\u003c\/h2\u003e\n\u003cp\u003eThe KA36175 is a \u003cstrong\u003ethermal magnetic molded case circuit breaker (MCCB)\u003c\/strong\u003e — a type of protective device that automatically interrupts electrical current when it detects an overload or short-circuit condition. The thermal element protects against sustained overloads, while the magnetic element responds instantly to high-level fault currents, making this breaker ideal for protecting motors, feeders, and distribution panels in three-phase electrical systems.\u003c\/p\u003e\n\n\u003ch2\u003eI-Line Style Plug-In Connection – What It Means\u003c\/h2\u003e\n\u003cp\u003eThe KA36175 features an \u003cstrong\u003eI-Line style plug-in connection\u003c\/strong\u003e, Square D's proprietary bus connection system. This design allows for fast, tool-free installation and removal from compatible I-Line panelboards — reducing installation time and simplifying maintenance. It is compatible with Square D I-Line switchboards, motor control centers (MCCs), and QED-2 switchboards.\u003c\/p\u003e\n\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eIndustrial plant power distribution panels\u003c\/li\u003e\n  \u003cli\u003eCommercial building electrical switchboards\u003c\/li\u003e\n  \u003cli\u003eMotor feeder circuit protection\u003c\/li\u003e\n  \u003cli\u003eI-Line style panelboard branch circuits\u003c\/li\u003e\n  \u003cli\u003eHVAC and mechanical system feeders\u003c\/li\u003e\n  \u003cli\u003eManufacturing and process control equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose the Square D KA36175?\u003c\/h2\u003e\n\u003cp\u003eSquare D, a brand of \u003cstrong\u003eSchneider Electric\u003c\/strong\u003e, has been a leader in power distribution and circuit protection since 1902. The KA36175 reflects that legacy — built to UL 489 standards and designed for years of dependable service in harsh electrical environments. Its thermal magnetic trip unit provides both overload and short-circuit protection without the need for an external control power supply, keeping installations simple and cost-effective.\u003c\/p\u003e\n\n\u003ch2\u003eCompatibility \u0026amp; Replacement Information\u003c\/h2\u003e\n\u003cp\u003eThe KA36175 is a \u003cstrong\u003eK-Frame I-Line style breaker\u003c\/strong\u003e. For modern upgrades or replacements, the Square D PowerPact J-Frame (JGL36175) is the current equivalent recommended by Schneider Electric. Always verify compatibility with your existing panelboard before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e KA36175-N  |  \u003cstrong\u003eCondition:\u003c\/strong\u003e New  |  \u003cstrong\u003eIn Stock\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat does KA36175 mean?\u003c\/strong\u003e\u003cbr\u003e\nThe part number breaks down as follows: \u003cem\u003eKA\u003c\/em\u003e = K-Frame type, \u003cem\u003e3\u003c\/em\u003e = 3-pole, \u003cem\u003e6\u003c\/em\u003e = 600V rating, \u003cem\u003e175\u003c\/em\u003e = 175 amp rating. This naming convention is standard across Square D's I-Line circuit breaker catalog.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the Square D KA36175 compatible with I-Line panelboards?\u003c\/strong\u003e\u003cbr\u003e\nYes. The KA36175 features an I-Line style plug-in connection specifically designed for Square D I-Line compatible panelboards, switchboards, and motor control centers.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the interrupting rating of the KA36175?\u003c\/strong\u003e\u003cbr\u003e\nThe KA36175 has an interrupting rating of 25kAIC at 480V, 22kAIC at 600V, and 42kAIC at 240V.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat replaces the Square D KA36175?\u003c\/strong\u003e\u003cbr\u003e\nThe KA36175 has been discontinued by the manufacturer. The recommended modern replacement is the Square D PowerPact J-Frame circuit breaker (JGL36175) for new installations.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat trip functions does the KA36175 include?\u003c\/strong\u003e\u003cbr\u003e\nThe KA36175 includes LI trip functions — Long-Time (overload protection) and Instantaneous (short-circuit protection) — provided by its built-in thermal magnetic trip unit.\u003c\/p\u003e","brand":"Square D \/ Schneider Electric","offers":[{"title":"New","offer_id":48396209389816,"sku":"KA36175-N","price":1897.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1209\/3176\/files\/shopping-1-copy.jpg?v=1778795230","url":"https:\/\/alphabreakersandcontrols.com\/products\/square-d-ka36175-molded-case-circuit-breaker-175a-3-pole-600v-i-line-plug-in","provider":"Alpha Breakers \u0026 Controls","version":"1.0","type":"link"}